#!/bin/bash

set -eu

if [ ! -d "mosfet" ]
then
	echo "You must run this from the mosfet-minecraft-bot directory."
	exit
fi

if ! command -v virtualenv &> /dev/null
then
	echo "virtualenv could not be found, please install with:"
	echo "sudo apt install virtualenv"
	exit
fi

if ! command -v wget &> /dev/null
then
	echo "wget could not be found, please install with:"
	echo "sudo apt install wget"
	exit
fi

if ! command -v unzip &> /dev/null
then
	echo "unzip could not be found, please install with:"
	echo "sudo apt install unzip"
	exit
fi

if ! command -v python3 &> /dev/null
then
	echo "python3 could not be found, please install with:"
	echo "sudo apt install python3"
	exit
fi

if ! command -v pip3 &> /dev/null
then
	echo "pip3 could not be found, please install with:"
	echo "sudo apt install pip3"
	exit
fi

if ! command -v git &> /dev/null
then
	echo "git could not be found, please install with:"
	echo "sudo apt install pip3"
	exit
fi


# download minecraft data

echo "Grabbing minecraft data..."

VERSION="1.16.4"

wget -Omcdata.zip "https://apimon.de/mcdata/$VERSION/$VERSION.zip"
rm -r minecraft_data || true
mkdir minecraft_data
unzip mcdata.zip -d minecraft_data
rm mcdata.zip


# update code

git stash
git pull --rebase
git stash pop || true


# https://github.com/pypa/virtualenv/issues/1029
PS1=${PS1:-}

# create virtual environment

echo "Installing Python requirements..."

rm -r env || true
rm -r __pycache__ || true
virtualenv -p python3 env
source env/bin/activate
pip install -r requirements.txt


echo "Done."